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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
1994-11-22
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pubmed:abstractText |
A total of 25,244 full term consecutive newborns were screened for hypothyroidism at 24 to 96 h of birth using the filter paper technique for thyroxine. The screening protocol based on our pilot study considered filter paper thyroxine (FP-T4) values of 51 to 80 ng/ml (-1 SD) as borderline and < 50 ng/ml (-2 SD) as high risk for congenital hypothyroidism. FP-T4 and/or serum T4 and TSH were reestimated in all neonates with FP-T4 < 80 ng/ml. A total of 4775 (18.9%) newborns (FP-T4, 51 to 80 ng/ml in 4435 and < 50 ng/ml in 340) needed the recall; 2237 (50.4%) with FP-T4 51 to 80 ng/ml recalled by letters and 283 (83.3%) of the 340 subjects with FP-T4 < 50 ng/ml recalled by home visit, responded by 6 wk of age. Congenital hypothyroidism was confirmed in 6 newborns. FP-T4 in one persisted at 55 ng/ml on follow up and in the remainder both initial and repeat values were < 50 ng/ml. Follow up serum T4 values were subnormal (7.8-50.2 ng/ml) and serum TSH elevated (80-1233 IU/ml). Technetium thyroid scan showed agenesis in 3, ectopia in 2 and normal gland with probable dyshormonogenesis in one. Three other newborns (FP-T4 93 to 143 ng/ml) escaped primary detection and were referred later for congenital hypothyroidism. The incidence of congenital hypothyroidism by primary screening was 1:4207 (6 of 25,244) but with these 3 missed cases, probably 1:2804. Congenital hypothyroidism was reconfirmed in all 9 infants between the ages of 2 1/2 to 4 yr.(ABSTRACT TRUNCATED AT 250 WORDS)
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0971-5916
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
100
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
36-42
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:7927551-Congenital Hypothyroidism,
pubmed-meshheading:7927551-Follow-Up Studies,
pubmed-meshheading:7927551-Humans,
pubmed-meshheading:7927551-Hypothyroidism,
pubmed-meshheading:7927551-Infant, Newborn,
pubmed-meshheading:7927551-Neonatal Screening,
pubmed-meshheading:7927551-Pilot Projects,
pubmed-meshheading:7927551-Thyroxine
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pubmed:year |
1994
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pubmed:articleTitle |
Neonatal screening for congenital hypothyroidism using the filter paper thyroxine technique.
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pubmed:affiliation |
Bai Jerbai Wadia Hospital for Children, Bombay.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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